I am assuming that these are fireproof

I wouldn't assume that they are fireproof. But, as they're intended to be cut to size and slotted behind a central heating radiator that's A) full of water. B) Max temperature 70C. You can safely assume that there's no risk of them combusting. What you certainly shouldn't do, is put them close to a naked flame, or mount them behind an electric heater.

Can this be used on Vertical radiators?

By vertical do you mean that they are panelled radiators that are "flush" with the outside wall with a small gap between the wall and radiator? If this is so the insulation is easy to install.

Does this work with electric wall heaters?

I see no reason why it wouldn’t

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BLOSTM Radiator Insulation Foil 5m x 60cm - Bubble Insulation Foil Reflector Thick Heat Reflective Bubble Wrap Radiator Foil Reflector with Adhesive Pads - Covers 3+ Radiators

Product ID: 294496545

Details

Brand
BLOSTM
Item thickness
3.6
Material
Aluminium
Product dimensions
5L x 0.6W

📏5m x 60cm coverage

🔥Reflects 97% heat

🛠️3.6mm durable thickness

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€ 21.83

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Sold byAmazon IrelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Save energy, save money, and stay cozy — the smart millennial’s radiator hack!

SLEEK DISCREET DESIGN - Invisible behind radiators, preserving your modern interior aesthetic without compromise.
YEAR ROUND CLIMATE CONTROL - Use in winter to retain heat or summer to reflect sunlight and keep rooms cool.
MAXIMIZE YOUR HEAT EFFICIENCY - Reflects 97% of radiator heat back into your room, slashing energy waste and heating bills.
EFFORTLESS NO FUSS INSTALLATION - Simply hang or stick behind radiators—no professionals, no mess, no stress.
GENEROUS MULTI RADIATOR COVERAGE - One 5m x 60cm roll covers 3+ radiators, making whole-home warmth effortless.

BLOSTM Radiator Insulation Foil is a high-quality, 3.6mm thick laminated aluminium bubble foil designed to reflect 97% of heat back into your living space. Measuring 5m x 60cm, it covers multiple radiators and installs easily with wall brackets or adhesive strips. Durable and oxidation-resistant, it discreetly boosts heating efficiency year-round, helping reduce energy bills while maintaining your home's sleek look.

Specifications

ASIN	B08V8T9CTX
Best Sellers Rank	35,006 in DIY & Tools ( See Top 100 in DIY & Tools ) 22 in Panel Insulation
Brand	BLOSTM
Country of Origin	China
Coverage	5m x 60cm (covers 3+ radiators)
Customer Reviews	4.4 4.4 out of 5 stars (2,829)
Included Components	5m x 60cm Insulation Foil
Item Dimensions L x W	5L x 0.6W metres
Item Thickness	3.6 Millimetres
Item Type Name	Insulation Bubble Foil
Manufacturer	BLOSTM
Material	Aluminium
Model Number	5m x 60cm
Part Number	BLRBF
Recommended Uses For Product	Radiator reflector panels, heat insulation, ceiling insulation, roof insulation, wall insulation, floor insulation, sunlight reflection, vapour barrier, water heaters, windows, RVs, greenhouses, attics, garages, pet hutch insulation
UPC	759049739593
Unit Count	1.0 count

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